A research team from Shanghai Advanced Research Institute of the Chinese Academy of Sciences has proposed an external seeding mechanism, termed echo-enabled harmonic cascade (EEHC), for generating coherent and ultrashort ...
Optics & Photonics
Aug 9, 2022
0
27
A research group led by graduate student Yeelai Chew, Assistant Professor Sylvain de Léséleuc and Professor Kenji Ohmori at the Institute for Molecular Science, National Institutes of Natural Sciences, is using atoms cooled ...
Optics & Photonics
Aug 8, 2022
0
219
Ultrafast pulses from X-ray lasers reveal how atoms move at timescales of a femtosecond. That's a quadrillionth of a second. However, measuring the properties of the pulses themselves is challenging. While determining a pulse's ...
Optics & Photonics
Aug 5, 2022
0
139
Researchers have developed a new chip-based beam steering technology that provides a promising route to small, cost-effective and high-performance lidar (or light detection and ranging) systems. Lidar, which uses laser pulses ...
Optics & Photonics
Aug 4, 2022
0
601
Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic, components. The development could aid efforts to achieve ultrafast all-optical signal ...
Optics & Photonics
Aug 1, 2022
0
1464
The development of high-speed strobe-flash photography in the 1960s by the late MIT professor Harold "Doc" Edgerton allowed us to visualize events too fast for the eye—a bullet piercing an apple, or a droplet hitting a ...
Condensed Matter
Jul 25, 2022
0
777
By shining a laser pulse sequence inspired by the Fibonacci numbers at atoms inside a quantum computer, physicists have created a remarkable, never-before-seen phase of matter. The phase has the benefits of two time dimensions ...
Quantum Physics
Jul 20, 2022
5
8748
Virtually all vital chemical processes take place in aqueous solutions. In such processes, a decisive role is played by electrons that are exchanged between different atoms and molecules and thus, for instance, create or ...
Optics & Photonics
Jul 19, 2022
0
224
Using X-ray laser pulses, the structure of matter can be studied with previously unprecedented accuracy. However, the pulses are so violent that they destroy the sample being irradiated. Notwithstanding, a Polish-Japanese ...
Optics & Photonics
Jul 14, 2022
0
137
Manipulating terahertz (THz) waveforms is important for its applications. Despite the rapid progress in metamaterials (MMs), the carrier-envelope phase (CEP) control for THz pulse is still challenging due to its broadband ...
Optics & Photonics
Jul 14, 2022
0
33
